452 



SUPPLEMENT. 



ORDER IT. PROSOBRANCHIATA. 

 Section A. Zoophaga, Lam. {Proboscidea, Troschel.) 



[Family 1, Strombidce . 



Stromlvs. (Wilton). 



lingual teeth 3. 1.3.] p. 104. 



Strombiis (flo- 

 ridus) is described 

 by Loven as having 

 a non - retractile, 

 produced muzzle, 

 like Jporrhais. 

 The teeth are 7 

 cusped ; uncini — 1 

 tridentate, 2 and 3 



S. gibberulus is represented by Dr. Bergh with all the 



Fig. 234. 



simple, claw-shaped, 

 uncini denticulated. 



The dentition oi Jporrhais is most Vike Strombiis ani Carmaria ; and 

 quite unlike the Ceriihiadce with which it has been placed, in accordance with 

 the vievvs of Prof. Forbes. The animal is carnivorous, (p. 130.) 



Fig. 2:35. Aporrhais pes-pelecani. (Warington.) 



Fig. 23«. 

 Operculum of ; 

 Struthiolariu. j 



[Family 2? Cassidce: teeth 3. 1. 3.] 



Cassis. 

 Cassidaria. 



Dolium. 

 Pvrula. 



Ranella. 

 Triton. 



Fig 237. Cassis sahuron. (Original 



The spiny buccal plates of Cassis have been mistaken by Gray and Adams \ 

 for the teeth, which in this genus, and also in Triton, are very minute and ] 

 transparent. j 



